package threading;

/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: WHY
 * Date: 2022-09-15
 * Time: 19:41
 */
public class demo1 {
    class Dog{
        public int age;
        public void increase(){
            ////static int dog;//方法 内部无法定义静态变量，编译报错
        }
    }
}
